Fitbit has just updated it’s MobileTrack app for the iPhone 5s to offer basic Fitbit tracking using the iPhone 5s’ M7 motion coprocessor.

NEW Fitbit app now features MobileTrack which offers basic Fitbit activity tracking directly using your iPhone 5s. This app connects with Fitbit’s line of activity trackers and Aria Smart Scale to get access to all your stats on-the-go.